{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:YSGNMPUR6D6GEOX3ERTPJF3CHQ","short_pith_number":"pith:YSGNMPUR","schema_version":"1.0","canonical_sha256":"c48cd63e91f0fc623afb2466f497623c14f79e42e430534966748cf429e3634e","source":{"kind":"arxiv","id":"hep-ph/0009083","version":3},"attestation_state":"computed","paper":{"title":"Massive sterile neutrinos as warm Dark Matter","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"hep-ph","authors_text":"A.D. Dolgov, Ferrara), S.H. Hansen (INFN","submitted_at":"2000-09-07T13:27:27Z","abstract_excerpt":"We show that massive sterile neutrinos mixed with the ordinary ones may be produced in the early universe in the right amount to be natural warm dark matter particles. Their mass should be below 40 keV and the corresponding mixing angles sin^2 2\\theta > 10^{-11} for mixing with \\nu_\\mu or \\nu_\\tau, while mixing with \\nu_e is slightly stronger bounded with mass less than 30 keV."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"hep-ph/0009083","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2000-09-07T13:27:27Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"bd4af01c819df7aa74403efbbcdda13afb3a348900dd5dcfcfee330fe77c8314","abstract_canon_sha256":"43ca9e4ab8ae0b7b8dfbbf899a0474ac4b081b03337c6d5f08bf03a19854bc7a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:20:46.569029Z","signature_b64":"ND6caKodriLUN0EAEMP8YZUmEysZoiuRw75591voOqZAFG6fNnNOBvn6u9XJP+iO+1oNxMBkxaiNRZq7IhyeCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c48cd63e91f0fc623afb2466f497623c14f79e42e430534966748cf429e3634e","last_reissued_at":"2026-07-04T15:20:46.568586Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:20:46.568586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Massive sterile neutrinos as warm Dark Matter","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"hep-ph","authors_text":"A.D. Dolgov, Ferrara), S.H. Hansen (INFN","submitted_at":"2000-09-07T13:27:27Z","abstract_excerpt":"We show that massive sterile neutrinos mixed with the ordinary ones may be produced in the early universe in the right amount to be natural warm dark matter particles. Their mass should be below 40 keV and the corresponding mixing angles sin^2 2\\theta > 10^{-11} for mixing with \\nu_\\mu or \\nu_\\tau, while mixing with \\nu_e is slightly stronger bounded with mass less than 30 keV."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0009083","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/0009083/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0009083","created_at":"2026-07-04T15:20:46.568657+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0009083v3","created_at":"2026-07-04T15:20:46.568657+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0009083","created_at":"2026-07-04T15:20:46.568657+00:00"},{"alias_kind":"pith_short_12","alias_value":"YSGNMPUR6D6G","created_at":"2026-07-04T15:20:46.568657+00:00"},{"alias_kind":"pith_short_16","alias_value":"YSGNMPUR6D6GEOX3","created_at":"2026-07-04T15:20:46.568657+00:00"},{"alias_kind":"pith_short_8","alias_value":"YSGNMPUR","created_at":"2026-07-04T15:20:46.568657+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2605.11630","citing_title":"Long-lived sterile neutrinos from axionlike particles at the Super Tau-Charm Facility","ref_index":46,"is_internal_anchor":true},{"citing_arxiv_id":"2604.09776","citing_title":"Visible Neutrino Decay As An Open Quantum System","ref_index":21,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YSGNMPUR6D6GEOX3ERTPJF3CHQ","json":"https://pith.science/pith/YSGNMPUR6D6GEOX3ERTPJF3CHQ.json","graph_json":"https://pith.science/api/pith-number/YSGNMPUR6D6GEOX3ERTPJF3CHQ/graph.json","events_json":"https://pith.science/api/pith-number/YSGNMPUR6D6GEOX3ERTPJF3CHQ/events.json","paper":"https://pith.science/paper/YSGNMPUR"},"agent_actions":{"view_html":"https://pith.science/pith/YSGNMPUR6D6GEOX3ERTPJF3CHQ","download_json":"https://pith.science/pith/YSGNMPUR6D6GEOX3ERTPJF3CHQ.json","view_paper":"https://pith.science/paper/YSGNMPUR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0009083&json=true","fetch_graph":"https://pith.science/api/pith-number/YSGNMPUR6D6GEOX3ERTPJF3CHQ/graph.json","fetch_events":"https://pith.science/api/pith-number/YSGNMPUR6D6GEOX3ERTPJF3CHQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YSGNMPUR6D6GEOX3ERTPJF3CHQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YSGNMPUR6D6GEOX3ERTPJF3CHQ/action/storage_attestation","attest_author":"https://pith.science/pith/YSGNMPUR6D6GEOX3ERTPJF3CHQ/action/author_attestation","sign_citation":"https://pith.science/pith/YSGNMPUR6D6GEOX3ERTPJF3CHQ/action/citation_signature","submit_replication":"https://pith.science/pith/YSGNMPUR6D6GEOX3ERTPJF3CHQ/action/replication_record"}},"created_at":"2026-07-04T15:20:46.568657+00:00","updated_at":"2026-07-04T15:20:46.568657+00:00"}